Malware Analysis Report

2024-12-08 00:48

Sample ID 231230-csr9xsahbr
Target 0b7622caecb90bcb189dfd1949e7aa6d
SHA256 291b16003e1294d9f74a65dcaf719eac7392487eeac8b516219b65be9c277f33
Tags
smokeloader pub3 backdoor trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

291b16003e1294d9f74a65dcaf719eac7392487eeac8b516219b65be9c277f33

Threat Level: Known bad

The file 0b7622caecb90bcb189dfd1949e7aa6d was found to be: Known bad.

Malicious Activity Summary

smokeloader pub3 backdoor trojan

SmokeLoader

Deletes itself

Unsigned PE

Program crash

Uses Task Scheduler COM API

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-30 02:20

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral2

Detonation Overview

Submitted

2023-12-30 02:20

Reported

2023-12-30 16:11

Platform

win10v2004-20231222-en

Max time kernel

21s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0b7622caecb90bcb189dfd1949e7aa6d.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\0b7622caecb90bcb189dfd1949e7aa6d.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\0b7622caecb90bcb189dfd1949e7aa6d.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\0b7622caecb90bcb189dfd1949e7aa6d.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0b7622caecb90bcb189dfd1949e7aa6d.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0b7622caecb90bcb189dfd1949e7aa6d.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
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Suspicious use of SendNotifyMessage

Description Indicator Process Target
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Processes

C:\Users\Admin\AppData\Local\Temp\0b7622caecb90bcb189dfd1949e7aa6d.exe

"C:\Users\Admin\AppData\Local\Temp\0b7622caecb90bcb189dfd1949e7aa6d.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4556 -ip 4556

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4556 -s 372

C:\Users\Admin\AppData\Roaming\gidhjgr

C:\Users\Admin\AppData\Roaming\gidhjgr

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2572 -ip 2572

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2572 -s 368

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 23.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 20.199.58.43:443 tcp
N/A 95.100.246.76:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 192.229.221.95:80 tcp
US 8.8.8.8:53 udp
N/A 52.142.223.178:80 tcp
GB 88.221.135.211:80 tcp
FR 20.74.19.45:443 tcp
GB 88.221.135.211:80 tcp
GB 96.17.178.177:80 tcp
GB 88.221.135.211:80 tcp
US 8.8.8.8:53 177.178.17.96.in-addr.arpa udp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
US 93.184.221.240:80 tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 204.79.197.200:443 g.bing.com tcp
GB 96.17.178.182:80 tcp
US 204.79.197.200:443 g.bing.com tcp
GB 96.17.178.182:80 tcp
US 8.8.8.8:53 udp
N/A 20.82.154.241:443 tcp
US 8.8.8.8:53 udp
GB 96.17.178.182:80 tcp
US 8.8.8.8:53 udp
N/A 20.123.104.105:443 tcp
US 8.8.8.8:53 udp
N/A 95.100.246.76:80 tcp
GB 88.221.135.217:80 tcp
GB 88.221.135.217:80 tcp
US 95.100.245.182:443 tcp
US 8.8.8.8:53 196.178.17.96.in-addr.arpa udp

Files

memory/4556-2-0x00000000001C0000-0x00000000001C9000-memory.dmp

memory/4556-3-0x0000000000400000-0x0000000000907000-memory.dmp

memory/4556-1-0x0000000000AC0000-0x0000000000BC0000-memory.dmp

memory/3468-4-0x0000000002F50000-0x0000000002F66000-memory.dmp

memory/4556-7-0x0000000000400000-0x0000000000907000-memory.dmp

memory/2572-14-0x0000000000B00000-0x0000000000C00000-memory.dmp

memory/2572-15-0x0000000000400000-0x0000000000907000-memory.dmp

memory/3468-16-0x0000000002D30000-0x0000000002D46000-memory.dmp

memory/2572-19-0x0000000000400000-0x0000000000907000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-30 02:20

Reported

2023-12-30 16:12

Platform

win7-20231215-en

Max time kernel

114s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0b7622caecb90bcb189dfd1949e7aa6d.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Deletes itself

Description Indicator Process Target
N/A N/A N/A N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\0b7622caecb90bcb189dfd1949e7aa6d.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\0b7622caecb90bcb189dfd1949e7aa6d.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\0b7622caecb90bcb189dfd1949e7aa6d.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0b7622caecb90bcb189dfd1949e7aa6d.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0b7622caecb90bcb189dfd1949e7aa6d.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\0b7622caecb90bcb189dfd1949e7aa6d.exe

"C:\Users\Admin\AppData\Local\Temp\0b7622caecb90bcb189dfd1949e7aa6d.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 aucmoney.com udp
US 8.8.8.8:53 thegymmum.com udp
US 8.8.8.8:53 atvcampingtrips.com udp
US 8.8.8.8:53 kuapakualaman.com udp
US 8.8.8.8:53 renatazarazua.com udp
US 8.8.8.8:53 nasufmutlu.com udp

Files

memory/2996-1-0x0000000000A90000-0x0000000000B90000-memory.dmp

memory/2996-2-0x0000000000020000-0x0000000000029000-memory.dmp

memory/2996-3-0x0000000000400000-0x0000000000907000-memory.dmp

memory/1252-4-0x00000000029D0000-0x00000000029E6000-memory.dmp

memory/2996-5-0x0000000000400000-0x0000000000907000-memory.dmp